O. B. Chernobai, “Spectral representation for generalized operator-valued Toeplitz kernels”, Ukr. Mat. Zhurn., vol. 57, no. 12, pp. 1698–1710, Dec. 2005, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3720